V5.6没明确说，风险自担

Operating systems

STEP 7 V5.6 can be used with the following operating systems:

·   MS Windows 7 Ultimate, Professional and Enterprise (64-bit), with SP1

·   MS Windows 10 Pro and Enterprise (64-bit)

·   MS Windows Server 2008 R2 (64-bit) with SP1 (Standard Edition as work station computer)

·   MS Windows Server 2012 R2 (64-bit) (Standard Edition as work station computer)

·   MS Windows Server 2016 (64-bit) (Standard Edition as work station computer)

STEP 7 has not been tested on any other operating systems; use at your own risk.

V5.7手册中明确可以

Operating systems STEP 7 V5.7 SP1 can be used with the following operating systems: ? 

MS Windows 10 Pro and Enterprise (64-bit) ? 

MS Windows 11* Pro and Enterprise (64-bit) ? 

MS Windows Server 2016 (64-bit) (Standard Edition as work station computer) ? 

MS Windows Server 2019 (64-bit) (Standard Edition as work station computer) ?

MS Windows Server 2022 (64-bit) (Standard Edition as work station computer) 

STEP 7 has not been tested on any other operating systems; use at your own risk. Note that STEP 7 is only released with the MUI versions of the approved Windows operating systems. 

* Important Notes: MS Windows 11 does not support online connections for the following modules:  ? 

CP 5611 A2 ? 

CP 5621 ? 

CP 1612 A2